JP2006038268A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner capable of being easily assembled by reducing screw fastening work in assembling a housing, smoothly mounting and demounting a front plate in maintenance check or the like of an air conditioner main body, and keeping its good appearance. <P>SOLUTION: The housing storing an air conditioner body is composed of a back plate, a pair of side plates 4 integrally connected with left and right side ends of the back plate, the front plate 5 connected with front ends of both side plates 4, and a top plate. First inward-curved flange parts 7 are mounted on front ends of the side plates 5, and handle parts 8 are mounted at an upper part side. The top plate is provided with connecting parts 32 mounted between the handle part 8 and the first inward-curved flange part 7, respectively. Second inward-curved flange parts 16 are mounted on left and right side ends of the front plate 5. Screw members 10 are inserted and screwed from front side inner parts of the handle members 8 toward a front part for integrally screwing and connecting the connecting part 32 of the top plate, the first inward-curved flange part 7 and the second inward-curved flange part 16. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an air conditioner such as a warm air heater.

  Conventionally, as seen in the following Patent Document 1, as a housing of an air conditioner, a front plate that covers the front side of the air conditioner main body housed therein, and both side plates that cover the left and right sides of the air conditioner main body are included. It is known that a separate part is used to improve the assembling of the housing, and the front plate can be easily removed.

  In the thing of the following patent document 1, a left board and a right board are screwed to a bottom board, and after attaching a front board, a top board is attached. The front plate includes a pair of ribs that extend inward from each other at the left and right positions of the upper plate, and holes that engage with the ribs are formed on both side plates. And when engaging each rib with the hole of each side plate, with the left side plate and the right side plate screwed to the bottom plate, the both side plates are tilted slightly inward using elasticity, and each rib of the front plate is Insert through the holes in each side plate. Thereafter, the front plate is screwed to the bottom plate. The top plate is formed in a box shape, and is screwed to the rear plate or the like so as to cover the engagement position between each rib and each hole.

  When removing the front plate when performing maintenance and inspection of the air conditioner main body accommodated in the housing, first, the top plate is removed, and then the screwing of the front plate and the bottom plate is released. Subsequently, the both side plates are tilted slightly inward using elasticity, and the ribs of the front plate are separated from the holes of the both side plates.

  However, according to the above-described conventional configuration, when connecting the front plate and both side plates, and when removing the front plate from both side plates, it is necessary to fold down both side plates slightly inward using the elasticity of each time. . For this reason, even if the air conditioner main body is housed inside the housing, a space is required so that both side plates can be folded inward, and the housing becomes relatively large. Further, if the both side plates are tilted inward every time the front plate is removed, there is a problem that the restoration of the both side plates is insufficient, the housing is distorted, a step is formed in the connecting portion, and the appearance is deteriorated.

Furthermore, even if the front plate and the both side plates are connected to each other by the ribs and the respective holes so that they can be easily attached and detached, the bottom plate and the front plate and the top plate can be relatively fastened. Since it is necessary to attach and detach a plurality of screws at separate positions, there is a disadvantage that workability is poor.
Japanese Patent Laid-Open No. 9-145096

  The present invention eliminates this inconvenience, and the present invention reduces the screw tightening work when assembling the housing, facilitates the assembly, and smoothly attaches / detaches the front plate during maintenance and inspection of the air conditioner body. Another object of the present invention is to provide an air conditioner that can maintain a good appearance.

  In order to achieve this object, the present invention provides an air conditioner comprising an air conditioner body and a housing that houses the air conditioner body, wherein the housing includes a rear plate that covers a rear portion of the air conditioner body. A pair of side plates integrally connected to the left and right side ends of the rear plate and covering the left and right side portions of the air conditioner body, and a front portion of the air conditioner body detachably connected to the front ends of both side plates. A front plate that covers the upper portion of the air conditioner main body, and the side plate is formed on a first inner bending flange portion formed along the front end of the side plate, and on the upper side of the side plate. An opening for the handle and a cup-shaped handle member inserted in the opening for the handle, and the top plate extends downward from the front side portion of the handle member and the first inward bending. A connecting portion interposed between the flange portion and the front plate And a second inner bending flange portion that contacts and overlaps the first inner bending flange portion, and a screw member is inserted and screwed forward from the inside of the front side portion of the handle member. The connecting portion of the plate, the first inward bending flange portion, and the second inward bending flange portion are integrally screwed and connected.

  According to the present invention, the connecting portion of the top plate, the first inward bending flange portion, and the second inward bending flange portion are connected together by the screw member inserted and screwed forward from the front side portion inside of the handle member. Therefore, the connection state of the top plate, the side plate, and the front plate can be firmly maintained. In addition, the top plate, the side plate, and the front plate can be connected by a screw tightening operation at each of the left and right locations, and assembly is facilitated, so that productivity is improved. Furthermore, when removing the front plate for the maintenance check of the air conditioner body, the front plate can be easily separated by simply removing the screw member, so that the maintenance check and the like can be performed efficiently. Can do. Moreover, since the screw member that connects the top plate, the side plate, and the front plate is inserted and screwed forward from the front side inside of the handle member, the screw member is hidden inside the cup-shaped handle member. Appearance is improved without appearing in appearance.

  In the present invention, the second inward bending flange portion of the front plate is provided with an engaging claw portion protruding toward the side plate, and the first inward bending flange portion of the side plate has the engagement An engagement hole is provided to engage with the claw portion, and the front plate and the side plate are connected to each other by the engagement of the engagement claw portion and the engagement hole, and the front plate is formed along the upper end thereof. A third inward bending flange portion and a through hole formed through the third inward bending flange portion, and the top plate penetrates the through hole and has a tip that is the third inward bending flange portion. A projecting portion projecting downward is provided, and the top plate and the front plate are connected to each other by engagement between the projecting portion and the through hole.

  According to this, the engaging claw portion of the front plate engages with the engaging hole of the side plate, and the protruding portion of the top plate penetrates and engages with the through hole of the front plate, so only by screwing with the screw member, The front plate, side plate, and top plate are securely connected. In addition, the engagement between the engagement pawl portion of the front plate and the engagement hole of the side plate can prevent deformation such that the left and right side ends of the front plate spread in the left and right direction. By engaging with the projecting portion, it is possible to prevent deformation such that the upper end of the front plate protrudes forward, so that a sense of unity in the appearance of the housing can be favorably maintained.

  In the present invention, a plurality of the engaging claw portions are provided in the vertical direction along the second inward bending flange portion with a predetermined interval, and the engaging hole is in the first inward bending flange. A plurality of engagement claw portions at the lowermost portion are provided at positions corresponding to the respective engagement claw portions, and the lowermost engagement claw portion extends horizontally downward from the rear and the tip of the horizontal extension portion downward. The upper engaging claw portion is formed in a trapezoidal shape that is inclined in the direction in which the upper edge and the lower edge approach each other toward the rear. It is characterized by.

  When assembling the housing in the present invention, the front plates are attached to both side plates prior to the attachment of the top plate. At this time, first, the lowermost engaging claws of the front plate are inserted into the lowermost engaging holes of the both side plates. Subsequently, the front plate is erected, and the uppermost engaging claws of the front plate are inserted into the uppermost engaging holes of both side plates. At this time, the front plate is positioned in the lowermost engaging hole via the lowermost engaging claw, and the uppermost engaging claw is rearward with the upper edge and lower By forming a trapezoidal shape that is inclined in a direction in which the edges approach each other, the uppermost engaging claw is not caught in the uppermost engaging hole, and the insertion work can be performed smoothly. Can do.

  Subsequently, the front plate is slid downward a little along the side plates. As a result, the lower extending portion of the lowermost engaging claw extends to the back side through the lowermost engaging hole, and the upper edge of the lowermost engaging hole is below the horizontal extending portion of the engaging claw. Abutting on the edge, the lowermost engaging claw is engaged with the lowermost engaging hole in a retaining state.

  Thereafter, the top plate is attached from above, and at this time, the projecting portion of the top plate is engaged with the through hole of the third inward bending flange portion of the front plate, and the screwing operation by the screw member is performed. Thus, according to this invention, the operation | work which attaches a front board to a both-sides board can be performed very easily.

  An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory exploded perspective view showing the structure of the housing of the air conditioner of the present embodiment, FIG. 2 is an explanatory view showing the main part of one first inward bending flange portion, and FIG. 3 shows the inner surface side of the front plate. FIG. 4 is a front view of the top plate, FIG. 5 is an explanatory view showing the front plate attaching step, and FIG. 6 shows an engagement state between the engaging claw portion and the engaging hole in the front plate attaching step. FIG. 7 is an explanatory cross-sectional view showing a connection state between the top plate and the front plate, and FIG. 8 is an explanatory cross-sectional view showing a connection state between the side plates, the front plate, and the top plate by screw members.

  The air conditioner of the present embodiment includes an air conditioner body (not shown) and a housing 1 that houses the air conditioner body. As shown in FIG. 1, the housing 1 is assembled by a bottom plate 2, a rear plate 3, a pair of side plates 4, a front plate 5, and a top plate 6. The bottom plate 2 and the top plate 6 are made of synthetic resin. The side plates 4 are integrally connected to the left and right side edges of the rear plate 3, and the rear plate 3, the side plates 4 and the front plate 5 are formed of metal thin plates. Each side plate 4 is formed with a first inward bending flange portion 7 along its front end. A cup-shaped handle member 8 is inserted and attached to the upper side surface of each side plate 4 through a handle opening 9. The handle member 8 is formed with a screw hole 11 into which a screw member 10 is inserted and screwed forward from the inside of the front side portion thereof.

  As shown in FIGS. 1 and 2, the first inward bending flange portion 7 has three engagement holes (a first engagement hole 12 and a second engagement hole 13 with a predetermined interval along the vertical direction). , A third engagement hole 14) is formed, and a screw hole 15 through which the screw member 10 is inserted and screwed is formed above the first engagement hole 12.

  As shown in FIGS. 1 and 3, the front plate 5 is formed with second inward bending flange portions 16 along the left and right side ends. The second inward bending flange portion 16 is provided so as to abut on and overlap with the first inward bending flange portion 7, and includes a first engagement hole 12 and a second engagement formed in the first inward bending flange portion 7. A first engagement claw portion 17, a second engagement claw portion 18, and a third engagement claw portion 19 are formed at positions facing the joint hole 13 and the third engagement hole 14, respectively. As shown in FIG. 3, a screw hole 20 through which the screw member 10 is inserted and screwed is formed at a position above the first engagement claw portion 17 in the second inward bending flange portion 16. .

  6 (a) and 6 (b), the upper edge 21 and the lower edge 22 of the first engagement claw portion 17 located at the uppermost portion of the second inner bending flange portion 16 are directed rearward. It is formed in a side view trapezoidal shape that inclines in a gradually approaching direction. The second engaging claw portion 18 has a bowl shape with an inclined extending portion 24 in which the upper edge 23 gradually inclines downward and a downward extending portion 25 extending downward from the tip end portion of the inclined extending portion 24. A gap is formed between the downward extending portion 25 and the inner surface side of the second inner bending flange portion 16 so that the lower portion of the second engagement hole 13 of the first inner bending flange portion 7 can be inserted. Has been. The third engaging claw portion 19 positioned at the lowermost portion is formed in a bowl shape by a horizontal extending portion 26 extending in the horizontal direction and a downward extending portion 27 extending downward from the distal end portion of the horizontal extending portion 26. A gap is formed between the downward extending portion 27 and the inner surface side of the second inner bending flange portion 16 so that the lower portion of the third engagement hole 14 of the first inner bending flange portion 7 can be inserted. Yes.

  On the other hand, as shown in FIG. 2, the first engagement hole 12, the second engagement hole 13, and the third engagement hole 14 of the first inward bending flange portion 7 include the first engagement claw portion 17 and the second engagement hole 17. The engaging claw portion 18 and the third engaging claw portion 19 extend in the vertical direction with a width that is wider than the thickness of the engaging claw portion 18 and gradually narrower at the lower position. A narrow portion 28 having substantially the same width as the thickness of the portion 18 and the third engaging claw portion 19 is formed. Accordingly, the first engagement claw portion 17, the second engagement claw portion 18, and the third engagement claw portion 19 are respectively connected to the first engagement hole 12, the second engagement hole 13, and the third engagement hole. 14 is engaged with the narrow portion 28 to prevent rattling in the left-right direction.

  As shown in FIG. 1, the front plate 5 is formed with a third inward bending flange portion 29 along the upper end thereof. A plurality (three in the present embodiment) of through holes 30 are formed in the third inner bending flange portion 29 at a predetermined interval.

  As shown in FIG. 1, the top plate 6 supports the operation unit 31 on the top surface side, and as shown in FIG. 4, includes a connecting portion 32 that extends downward at the left and right ends. The connecting portion 32 intervenes between the front side portion of the handle member 8 and the first inward bending flange portion 7 as will be described later. The connecting portion 32 is formed with a screw hole 33 into which the screw member 10 is inserted and fixed when interposed between the front side portion of the handle member 8 and the first inward bending flange portion 7. In addition, a plurality of (three in the present embodiment) projecting portions 34 that are inserted into and engaged with the respective through holes 30 of the third inward bending flange portion 29 of the front plate 5 are formed on the front lower portion of the top plate 6. ing. As shown in FIG. 7, each protruding portion 34 is formed in a protruding amount so that the tip (lower end) of each protruding portion 34 slightly protrudes below each through hole 30 when inserted into each through hole 30. Has been.

  Next, an assembly procedure of the housing 1 having the above configuration will be described. First, the lower ends of the rear plate 3 and the side plates 4 are fixed to the bottom plate 2 with screws, and the handle members 8 are attached to the handle openings 9 of the side plates 4. Next, the front plate 5 is attached to the front end side of the side plates 4. As shown in FIG. 5A, the front plate 5 inserts the third engagement claw portion 19 into the third engagement hole 14 of the side plate 4 in an inclined state. At this time, the front plate 5 is lifted slightly upward so that a gap is formed between the lower edge of the front plate 5 and the bottom plate 2. When the third engagement hole 14 is inserted into the third engagement claw portion 19, the front plate 5 is positioned in the mounting direction, and as shown in FIG. While the 1 engagement hole 12 opposes correctly, the 2nd engagement nail | claw part 18 and the 2nd engagement hole 13 oppose correctly. Then, the front plate 5 is moved in the standing direction, the second engagement claw portion 18 is inserted into the second engagement hole 13, and the first engagement claw portion 17 is inserted into the first engagement hole 12. At this time, since the upper edge 23 of the inclined extending portion 24 of the second engagement claw portion 18 is inclined, the second engagement hole can be smoothly smoothed without interference with the upper and lower inner edges of the second engagement hole 13. 13 can be inserted. Similarly, the first engagement claw portion 17 is formed in a trapezoidal shape in which the upper edge 21 and the lower edge 22 are inclined in a direction in which the upper edge 21 and the lower edge 22 gradually approach rearward. Even if it is in contact with the upper or lower inner edge of the hole 12, it is smoothly guided in the insertion direction. In this way, the first engagement claw portion 17, the second engagement claw portion 18, and the third engagement claw portion 19 are connected to the first engagement hole 12, the second engagement hole 13, and the third engagement claw. When inserted into the hole 14, as shown in FIG. 5 (b), the front plate 5 comes into close contact with the front end side of the both side plates 4, and the first inner bending flange portion 7 and the second inner bending flange portion 16 contact each other. It contacts and becomes a polymerization state.

  Subsequently, the front plate 5 is slid downward along the front ends of the side plates 4, and the lower edge of the front plate 5 is brought into close contact with the bottom plate 2 as shown in FIG. Accordingly, the first engagement claw portion 17, the second engagement claw portion 18, and the third engagement claw portion 19 are connected to the first engagement hole 12, the second engagement hole 13, and the third engagement hole 14. 6b, the lower edge of the horizontal extending portion 26 of the third engaging claw portion 19 abuts the inner edge of the lower end of the third engaging hole 14, as shown in FIG. 6B. .

  At this time, the inner edge of the downwardly extending portion 25 of the second engagement claw portion 18 abuts against the inner side of the first inward bending flange portion 7 and is prevented from coming off, while the second engagement claw portion 18 is horizontal. A slight gap is formed between the lower edge of the extension portion 24 and the inner edge of the lower end of the second engagement hole 13, whereby the second plate 5 is removed when the front plate 5 is removed while maintaining the attachment state of the front plate 5. The escape of the second engagement claw portion 18 from the engagement hole 13 is performed smoothly. Further, in the first engagement claw portion 17, the front plate 5 can be reliably prevented from being deformed to the left and right while being inserted into the first engagement hole 12. Due to the trapezoidal shape when viewed from the side, when the front plate 5 is removed, the first engagement claw portion 17 can be smoothly escaped from the first engagement hole 12. Further, the first engagement claw portion 17, the second engagement claw portion 18, and the third engagement claw portion 19 are provided in the first engagement hole 12, the second engagement hole 13, and the third engagement hole 14. Engaged with the narrow portion 28, the lateral vibration of the front plate 5 is prevented.

  Subsequently, as shown in FIG.5 (c), the top plate 6 is attached from upper direction. At this time, first, as shown in FIG. 7, the protruding portion 34 of the top plate 6 is inserted into and engaged with the through hole 30 formed in the third inward bending flange portion 29 of the front plate 5. Further, as shown in FIG. 8, the connecting portion 32 of the top plate 6 is interposed between the front side portion of the handle member 8 and the first inward bending flange portion 7. Then, the screw member 10 is inserted and screwed forward from the inside of the front side portion of the handle member 8, and the connecting portion 32 of the top plate 6, the first inward bending flange portion 7, and the second inward bending flange portion 16 by the screw member 10. Are integrally connected by screws, whereby the side plate 4, the front plate 5 and the top plate 6 are connected and fixed to each other only by the screw member 10.

  Thus, the side plate 4, the front plate 5, and the top plate 6 are connected only by the screw member 10, so that the screw tightening work during the assembly can be reduced, and the assembly work can be performed efficiently. Further, when removing the front plate 5, it is only necessary to remove the screw member 10, and workability relating to maintenance and inspection is good. Furthermore, since the screw member 10 is inserted and screwed forward from the inside of the front side portion of the handle member 8, the screw member 10 is hidden inside the handle member 8 and does not appear in the appearance. Can be good.

The explanatory exploded perspective view showing the composition of the housing of the air harmony machine of one embodiment of the present invention. Explanatory drawing which shows the principal part of one 1st internal bending flange part. Explanatory drawing which shows the inner surface side of a front board. The front view of a top plate. Explanatory drawing which shows the attachment process of a front board. Explanatory drawing which shows the engagement state of the engaging claw part and engagement hole in the attachment process of a front board. Explanatory sectional drawing which shows the connection state of a top plate and a front plate. Explanatory sectional drawing which shows the connection state of the both-sides board by a screw member, a front board, and a top plate.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Housing, 3 ... Rear plate, 4 ... Side plate, 5 ... Front plate, 6 ... Top plate, 7 ... 1st internal bending flange part, 8 ... Handle member, 9 ... Opening part for handle, 10 ... Screw member, 12 ... 1st engagement hole (engagement hole), 13 ... 2nd engagement hole (engagement hole), 14 ... 3rd engagement hole (engagement hole), 16 ... 2nd inward bending flange part, 17 ... 1st 1 engaging claw part (engaging claw part), 18 second engaging claw part (engaging claw part), 19 third engaging claw part (engaging claw part), 26 horizontal extension part, 27 ... a downward extending part, 29 ... a third inner bending flange part, 30 ... a through hole, 32 ... a connecting part, 34 ... a protruding part.

Claims (3)

In an air conditioner comprising an air conditioner body and a housing that houses the air conditioner body,
The housing includes a rear plate that covers the rear portion of the air conditioner body, a pair of side plates that are integrally connected to the left and right side edges of the rear plate and covers the left and right sides of the air conditioner body, A front plate that is detachably connected to the front end and covers the front of the air conditioner body, and a top plate that covers the top of the air conditioner body,
The side plate includes a first inwardly bent flange portion formed along the front end of the side plate, a handle opening formed on the upper side of the side plate, and a cup-like shape inserted into the handle opening. A handle member,
The top plate includes a connecting portion extending below and interposed between a front side portion of the handle member and the first inward bending flange portion,
The front plate includes a second inward bending flange portion that is formed at the left and right side ends thereof and abuts on the first inward bending flange portion.
A screw member is inserted and screwed forward from the inside of the front side portion of the handle member, and the connecting portion of the top plate, the first inward bending flange portion and the second inward bending flange portion are integrally screwed and connected by the screw member. An air conditioner characterized by being made. The second inner bending flange portion of the front plate is provided with an engaging claw portion that protrudes toward the side plate, and the first inner bending flange portion of the side plate is engaged with the engaging claw portion. A joint hole is provided, and the front plate and the side plate are connected to each other by the engagement of the engagement claw portion and the engagement hole,
The front plate is provided with a third inward bending flange portion formed along the upper end of the front plate, and a through hole formed through the third inward bending flange portion, and the top plate has the through hole. The top plate and the front plate are connected to each other by engagement of the protrusion and the through hole. The air conditioner according to claim 1. A plurality of the engaging claws are provided at predetermined intervals in the vertical direction along the second inward bending flange.
A plurality of the engagement holes are provided at positions corresponding to the respective engagement claws of the first inward bending flange portion,
The lowermost engaging claw portion is formed in a bowl shape by a horizontal extending portion extending horizontally toward the rear and a downward extending portion extending downward from the tip portion of the horizontal extending portion,
The air conditioning according to claim 1 or 2, wherein the uppermost engaging claw is formed in a side-view trapezoidal shape in which the upper edge and the lower edge are inclined toward each other toward the rear. Machine.

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